Definition of Prostomial. Meaning of Prostomial. Synonyms of Prostomial

Here you will find one or more explanations in English for the word Prostomial. Also in the bottom left of the page several parts of wikipedia pages related to the word Prostomial and, of course, Prostomial synonyms and on the right images related to the word Prostomial.

Definition of Prostomial

Prostomial
Prostomium Pro*sto"mi*um, n.; pl. Prostomia. [NL., fr. Gr. ? before + ?, ?, mouth.] (Zo["o]l.) That portion of the head of an annelid situated in front of the mouth. -- Pro*sto"mi*al, a.

Meaning of Prostomial from wikipedia

- The prostomium (From Ancient Gr****, meaning "before the mouth"; plural: prostomia; sometimes also called the "acron") is the cephalized first body segment...
- compound falcigers and/or spinigers (rarely notosetae absent). They have two prostomial antennae (absent in Micronereis). Their pharynx, when everted, clearly...
- are two "crowns" shaped like Christmas trees. These are highly modified prostomial palps, which are specialized mouth appendages. Each spiral is composed...
- detritivores (deposit feeders), catching falling particles with numerous long prostomial tentacles. There are eight known genera, and at least 21 described species...
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